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2.3 Power Supply Troubleshooting 2 Troubleshooting
PORTEGE R200 Maintenance Manual (960-519) [CONFIDENTIAL] 2-15
Procedure 4 Charge Check
Check if the power supply controller charges the battery pack properly. Perform the following
procedures:
Check 1 Make sure the AC adapter is firmly plugged into the DC IN socket.
Check 2 Make sure the battery pack is properly installed. If the battery is properly installed,
go to Check 3.
Check 3 The battery pack may be completely discharged. Wait a few minutes to charge the
battery pack while connecting the battery pack and the AC adapter. If the battery
pack is still not charged, go to Check 4.
Check 4 The battery’s temperature is too high or low. Return the temperature to normal
operating condition. If the battery pack is still not charged, go to Check 5.
Check 5 Replace the battery pack with a new one. If the battery pack is still not charged, go
to Procedure 5.
Procedure 5 Replacement Check
The power is supplied to the System board by the AC adapter. If either the AC adapter or the
System board was damaged, perform the following Checks.
To disassemble the computer, follow the steps described in Chapter 4.
When AC adapter is connected:
Check 1 AC adapter may be faulty. Replace the AC adapter with a new one. If the problem
still occurs, perform Check 2.
Check 2 DC-IN harness may be faulty. Replace the DC-IN harness with a new one. If the
problem still occurs, perform Check 3.
Check 3 System board may be faulty. Replace the system board with a new one.
When AC adapter is not connected:
(When driving with battery pack)
Check 1 Battery pack may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 2.
Check 2 System board may be faulty. Replace the system board with a new one.